29#ifndef _GLIBCXX_SYSTEM_ERROR
30#define _GLIBCXX_SYSTEM_ERROR 1
32#pragma GCC system_header
34#if __cplusplus < 201103L
39#include <bits/error_constants.h>
42#if __cplusplus > 201703L
46namespace std _GLIBCXX_VISIBILITY(default)
48_GLIBCXX_BEGIN_NAMESPACE_VERSION
55 class error_condition;
59 template<
typename _Tp>
63 template<
typename _Tp>
70#if __cplusplus > 201402L
71 template <
typename _Tp>
72 inline constexpr bool is_error_code_enum_v =
73 is_error_code_enum<_Tp>::value;
74 template <
typename _Tp>
75 inline constexpr bool is_error_condition_enum_v =
76 is_error_condition_enum<_Tp>::value;
80 inline namespace _V2 {
108 name()
const noexcept = 0;
114#if _GLIBCXX_USE_CXX11_ABI
116 _GLIBCXX_DEFAULT_ABI_TAG
118 _M_message(
int)
const;
121 _GLIBCXX_DEFAULT_ABI_TAG
123 message(
int)
const = 0;
126 message(
int)
const = 0;
130 _M_message(
int)
const;
135 default_error_condition(
int __i)
const noexcept;
141 equivalent(
const error_code& __code,
int __i)
const noexcept;
145 {
return this == &__other; }
147#if __cpp_lib_three_way_comparison
150 {
return std::compare_three_way()(
this, &__rhs); }
154 {
return this != &__other; }
203 : _M_value(__v), _M_cat(&__cat) { }
205 template<
typename _ErrorCodeEnum,
typename =
typename
208 { *
this = make_error_code(__e); }
222 template<
typename _ErrorCodeEnum>
225 operator=(_ErrorCodeEnum __e)
noexcept
226 {
return *
this = make_error_code(__e); }
229 value()
const noexcept {
return _M_value; }
232 category()
const noexcept {
return *_M_cat; }
235 default_error_condition()
const noexcept;
237 _GLIBCXX_DEFAULT_ABI_TAG
240 {
return category().message(value()); }
242 explicit operator bool()
const noexcept
243 {
return _M_value != 0; }
256 make_error_code(errc __e)
noexcept
259#if __cpp_lib_three_way_comparison
260 inline strong_ordering
261 operator<=>(
const error_code& __lhs,
const error_code& __rhs)
noexcept
263 if (
auto __c = __lhs.category() <=> __rhs.category(); __c != 0)
265 return __lhs.value() <=> __rhs.value();
269 operator<(
const error_code& __lhs,
const error_code& __rhs)
noexcept
271 return (__lhs.category() < __rhs.category()
272 || (__lhs.category() == __rhs.category()
273 && __lhs.value() < __rhs.value()));
277 template<
typename _CharT,
typename _Traits>
278 basic_ostream<_CharT, _Traits>&
279 operator<<(basic_ostream<_CharT, _Traits>& __os,
const error_code& __e)
280 {
return (__os << __e.category().name() <<
':' << __e.value()); }
304 : _M_value(__v), _M_cat(&__cat) { }
306 template<
typename _ErrorConditionEnum,
typename =
typename
319 template<
typename _ErrorConditionEnum>
322 operator=(_ErrorConditionEnum __e)
noexcept
331 value()
const noexcept {
return _M_value; }
334 category()
const noexcept {
return *_M_cat; }
336 _GLIBCXX_DEFAULT_ABI_TAG
339 {
return category().message(value()); }
341 explicit operator bool()
const noexcept
342 {
return _M_value != 0; }
363 {
return (__lhs.category() == __rhs.category()
364 && __lhs.value() == __rhs.value()); }
368 operator==(
const error_code& __lhs,
const error_condition& __rhs)
noexcept
370 return (__lhs.category().equivalent(__lhs.value(), __rhs)
371 || __rhs.category().equivalent(__lhs, __rhs.value()));
376 operator==(
const error_condition& __lhs,
377 const error_condition& __rhs)
noexcept
379 return (__lhs.category() == __rhs.category()
380 && __lhs.value() == __rhs.value());
383#if __cpp_lib_three_way_comparison
386 inline strong_ordering
387 operator<=>(
const error_condition& __lhs,
388 const error_condition& __rhs)
noexcept
390 if (
auto __c = __lhs.category() <=> __rhs.category(); __c != 0)
392 return __lhs.value() <=> __rhs.value();
401 return (__lhs.category() < __rhs.category()
402 || (__lhs.category() == __rhs.category()
403 && __lhs.value() < __rhs.value()));
410 return (__rhs.category().equivalent(__rhs.value(), __lhs)
411 || __lhs.category().equivalent(__rhs, __lhs.value()));
416 operator!=(
const error_code& __lhs,
const error_code& __rhs)
noexcept
417 {
return !(__lhs == __rhs); }
421 operator!=(
const error_code& __lhs,
const error_condition& __rhs)
noexcept
422 {
return !(__lhs == __rhs); }
426 operator!=(
const error_condition& __lhs,
const error_code& __rhs)
noexcept
427 {
return !(__lhs == __rhs); }
431 operator!=(
const error_condition& __lhs,
432 const error_condition& __rhs)
noexcept
433 {
return !(__lhs == __rhs); }
456 :
runtime_error(__what +
": " + __ec.message()), _M_code(__ec) { }
459 :
runtime_error(__what + (
": " + __ec.message())), _M_code(__ec) { }
466 _M_code(__v, __ecat) { }
470 _M_code(__v, __ecat) { }
472#if __cplusplus >= 201103L
480 code()
const noexcept {
return _M_code; }
483_GLIBCXX_END_NAMESPACE_VERSION
488namespace std _GLIBCXX_VISIBILITY(default)
490_GLIBCXX_BEGIN_NAMESPACE_VERSION
492#ifndef _GLIBCXX_COMPATIBILITY_CXX0X
498 :
public __hash_base<size_t, error_code>
501 operator()(
const error_code& __e)
const noexcept
503 const size_t __tmp = std::_Hash_impl::hash(__e.value());
504 return std::_Hash_impl::__hash_combine(&__e.category(), __tmp);
509#if __cplusplus >= 201703L
515 :
public __hash_base<size_t, error_condition>
520 const size_t __tmp = std::_Hash_impl::hash(__e.value());
521 return std::_Hash_impl::__hash_combine(&__e.category(), __tmp);
526_GLIBCXX_END_NAMESPACE_VERSION
const error_category & system_category() noexcept
Error category for other error codes defined by the OS.
error_condition make_error_condition(errc __e) noexcept
Create an error_condition representing a standard errc condition.
const error_category & generic_category() noexcept
Error category for errno error codes.
error_condition make_error_condition(future_errc __errc) noexcept
Overload for make_error_condition.
ISO C++ entities toplevel namespace is std.
std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)
Global I/O operators for bitsets.
One of two subclasses of exception.
Primary class template hash.
An exception type that includes an error_code value.
Define a member typedef type only if a boolean constant is true.
One of the comparison functors.